Finding the Fourth Proportional to 4,211,427.99, 5,811,770.66 and 2,277,688.59
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Solution
The fourth proportional to 4,211,427.99, 5,811,770.66 and 2,277,688.59 is: 3,143,210.27
Step by Step Solution
- Step 1: Write the proportion equation
4,211,427.99 : 5,811,770.66 = 2,277,688.59 : x - Step 2: Convert to fraction form
4,211,427.99/5,811,770.66 = 2,277,688.59/x - Step 3: Cross multiply
4,211,427.99x = 5,811,770.66 × 2,277,688.59 - Step 4: Simplify right side
4,211,427.99x = 13,237,403,719,978.77 - Step 5: Solve for x
x = 13,237,403,719,978.77/4,211,427.99 - Step 6: Final answer
x = 3,143,210.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.